.my-nav ul{
    line-height: 100px;
    width:100%;
    height:100%;
    display:flex;
    margin-bottom: 0;
    justify-content:space-around;
    text-align: center;
    list-style: none;
}
.my-nav ul li{
    float:left;
}
.my-nav ul li a{
    padding:40px 15px;
    color:#000;
    font-size:20px;
}
.my-nav ul li.active a{
    border-bottom:2px solid red;
    color:red;
}

/* banner */
.banner{
    margin-left:0;
    margin-right:0;
}
.banner img{
    width: 100%;
}

/* 底部 */
footer{
    padding:50px 0;
    background-color: #282828;
}
footer .foot-logo{
    padding-top:20px;
}
footer p{
    color:#fff;
    font-weight: 500;
}
footer p a{
    color:#fff;
    font-weight: 500;
}
footer .phone{
    float: left;
    padding-top: 5px;
    padding-right: 5px;
}

a:hover{
    text-decoration:none;
}


/* PC端 */
@media(max-width:1199px) and (min-width:992px){
    footer .foot-logo{
        padding-top:30px;
    }
}

/* 平板端 */
@media(max-width:991px) and (min-width:768px){
    footer .foot-logo{
        padding-top:40px;
    }
}

/* 手机端 */
@media(max-width:767px){
    .my-nav ul{
        line-height:50px;
    }
    .my-nav ul li a{
        padding:14px 0;
        font-size:16px;
    }
   
    footer .foot-logo{
        padding-top:50px;
    }
}